diff --git a/app/editor/components/FloatingToolbar.tsx b/app/editor/components/FloatingToolbar.tsx
index df7bc2177e..af198da950 100644
--- a/app/editor/components/FloatingToolbar.tsx
+++ b/app/editor/components/FloatingToolbar.tsx
@@ -89,7 +89,7 @@ function usePosition({
       ? noticeBlock.pos
       : null;
 
-    if (position) {
+    if (position !== null) {
       const element = view.nodeDOM(position);
       const bounds = (element as HTMLElement).getBoundingClientRect();
       selectionBounds.top = bounds.top;
diff --git a/app/editor/menus/notice.tsx b/app/editor/menus/notice.tsx
index 3ef1c8b71a..a1125c6b80 100644
--- a/app/editor/menus/notice.tsx
+++ b/app/editor/menus/notice.tsx
@@ -16,10 +16,8 @@ export default function noticeMenuItems(
   readOnly: boolean | undefined,
   dictionary: Dictionary
 ): MenuItem[] {
-  const { selection } = state;
-  const { $from } = selection;
-  const node = $from.node(-1);
-  const currentStyle = node.attrs.style as NoticeTypes;
+  const node = state.selection.$from.node(-1);
+  const currentStyle = node?.attrs.style as NoticeTypes;
 
   const mapping = {
     [NoticeTypes.Info]: dictionary.infoNotice,